更多“Physical distribution means the physical movement of merchandise from the producers to the middlemen and finally to the consumers.() ”相关问题
  • 第1题:

    OSI参考模型有哪些层,按顺序()。

    A.Application、session、transport、network、physical、physical、datalink

    B.Application、presentation、session、network、transport、datalink,physical

    C.Application、presentation、session、transport、network、datalink、physical

    D.Application、session、transport、physical、network、physical、datalink


    正确答案:C

  • 第2题:

    Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs?()

    A. data link

    B. network

    C. transport

    D. presentation

    E. physical


    参考答案:C

  • 第3题:

    Work done by machines has replaced manual labor.

    A:mental
    B:hard
    C:handy
    D:physical

    答案:D
    解析:
    机器生产已经代替了手工劳作。physical“体力的,身体的”,例如:physical exercise体育活动。mental“精神的,心里的,脑力的”,例如:This experience caused him much mental suffering.这一经历给他的精神造成了极大痛苦。hard“硬的,难的”,例如:It's hard for old people to change their ways.老年人很难改变自己的习惯。handy“方便的,手边的”,例如: Always keep a first-aid kit handy.手边要经常有个急救箱。只physical意思上和manual最接近。

  • 第4题:

    Which OSI layer header contains the address of a destination host that is another network?()

    A. application

    B. presentation

    C. session

    D. transport

    E. network

    F. data link

    G. physical


    参考答案:E

  • 第5题:

    This hypothesis states that environments that are too clean may actually make the __ system develop oversensitive responses.

    A. mental
    B. nervous
    C. immune
    D. physical

    答案:C
    解析:

  • 第6题:

    Even in a modernized country,manual work is still needed.

    A:hard
    B:mental
    C:simple
    D:physical

    答案:D
    解析: